Use of a fine-grained product produced during the production...

Details Use of a fine-grained product produced during the production... Use of a fine-grained product produced during the production...

C - Chemistry, Metallurgy

21

B

C21B 7/06 (2006.01) C01G 23/02 (2006.01) C22B 7/00 (2006.01) C22B 9/10 (2006.01) F27D 1/00 (2006.01)

Patent

CA 2341162

A fine-grained product which consists of the following main constituents in a dry state: 10 to 80 wt. % TiO2, 20 to 60 wt. % carbon and optionally, 5 to 20 wt. % SiO2; is produced during the production of titanium dioxide according to the chloride method, whereby a raw material containing titanium is converted to titanium tetrachloride. According to the invention, this product can be blasted into a blast furnace to increase the durability of its fire-resistant brick lining.

Lors de la fabrication d'oxyde de titane selon le procédé au chlorure dans lequel un produit de départ titanifère est transformé en tétrachlorure de titane, il en résulte un produit à grains fins composé, à l'état sec, des principaux constituants suivants: 10 à 80 % en poids de TiO2, 20 à 60 % en poids de charbon et éventuellement 5 à 20 % en poids de SiO2. Ce produit peut s'injecter dans un haut fourneau pour accroître la longévité de sa chemise de four réfractaire.

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